2008 Snowmelt Peak Dates.
Columbia River Basin
| Watershed |
Snowmelt Peak Flow Dates |
| Bitterroot River near Darby |
May 20 |
| Bitterroot River at Missoula |
May 30 |
| Blackfoot River near Bonner |
May 21 |
| Clark Fork River above Missoula |
May 21 |
| Clark Fork River at St. Regis |
May 21 |
| Clark Fork River below Missoula |
May 21 |
| Como Reservoir Inflow |
May 19 |
| Fisher River near Libby |
May 19 |
| Little Blackfoot River near Garrison |
May 26 |
| Lower Willow Creek Reservoir Inflow |
May 20 to May 25 |
| Middle Fork Flathead River near West Glacier |
May 19 |
| Middle Fork Rock Creek near Phillipsburg |
May 19 |
| Nevada Creek near Helmville |
May 25 |
| North Fork Flathead River near Columbia Falls |
May 20 |
| Prospect Creek at Thompson Falls |
May 19 |
| South Fork Flathead River above Twin Creeks |
May 19 |
| Swan River near Big Fork |
May 22 |
| Thompson River near Thompson Falls |
May 19 |
| Tobacco River near Eureka |
May 19 |
| Yaak River near Troy |
May 19 |
Missouri River Basin
| Watershed |
Snowmelt Peak Flow Dates |
| Badger Creek near Browning |
May 31 |
| Big Hole River below Big Lake Creek at Wisdom |
June 5 |
| Big Hole River near Melrose |
June 6 |
| Boulder River near Boulder |
June 15 |
| Clark Canyon Reservoir Inflow |
June 9 |
| Cut Bank Creek near Browning |
June 1 |
| Dearborn River near Craig |
May 26 |
| Gallatin River near Gateway |
June 23 |
| Gallatin River at Logan |
June 23 |
| Gibson Reservoir Inflow |
June 2 |
| Hebgen Reservoir Inflow |
June 3 |
| Jefferson River near Three Forks |
June 7 |
| Madison River near West Yellowstone |
June 3 and June 4 |
| Marias River near Shelby |
June 13 |
| Middle Creek Reservoir Inflow |
June 21 to June 29 |
| Missouri River at Toston |
June 24 |
| Musselshell River at Harlowton |
June 3 and June 4 |
| North Fork Musselshell River near Delpine |
June 8 to June 15 |
| Ruby Reservoir Inflow |
May 21 |
| Sheep Creek near White Sulphur Springs |
June 12 to June 18 |
| Smith River below Eagle Creek near Fort Logan |
June 15 |
| Musselshell River near Martinsdale |
June 3 |
| Swift Reservoir Inflow |
June 16 |
| Two Medicine River near Browning |
June 2 |
| Willow Creek near Harrison |
July 1 |
Yellowstone River Basin
| Watershed |
Snowmelt Peak Flow Dates |
| Big Goose Creek near Sheridan Wyoming |
June 8 to June 18 |
| Boulder River near Big Timber |
June 26 |
| Clarks Fork River near Belfry |
June 25 |
| Cooney Reservoir inflow |
June 24 |
| Little Bighorn River near Hardin |
June 25 |
| Little Goose Creek near Bighorn Wyoming |
June 8 to June 18 |
| Mystic Reservoir Inflow |
June 26 |
| Powder River at Moorehead |
June 5 |
| Shields River near Livingston |
June 3 |
| Stillwater River near Absarokee |
June 25 |
| Tongue River at Dayton Wyoming |
June 3 |
| Tongue River Reservoir Inflow |
June 6 |
| Yellowstone River at Billings |
June 26 |
| Yellowstone River at Corwin Springs |
June 25 |
| Yellowstone River at Lake outlet |
July 6 |
| Yellowstone River at Livingston |
June 25 |
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